108 Options List
C.4 Option 03: Four Additional Outputs – Obsolete
Option 03 has been replaced by Option 36, Four Configurable Outputs. See Section C.20
C.4.1 General Description
Option 03 adds four rear-panel outputs, which may be configured to any available signal in the
1084A/B/C series clocks. Note that there are more jumper settings on the Option 03 board than
the 1084A/B/C is capable of providing. The configuration of the four outputs can be changed at
any time via internal jumper settings.
C.4.2 Specifications
General
Output Connectors: BNC-type RF connectors (4).
Analog Outputs
Output Type Operational amplifier (LF353) output, with 557-ohm series resistor.
Available Outputs: Note: All outputs available on clock Models 1088B, 1084A/B/C,
1093A/B/C and other clocks as noted.
IRIG-B, Modulated: IRIG format B time code, modulated onto 1 kHz 10 Vpp sine wave
carrier. Available on clock Model 1093A/B/C when equipped with
Option 92, IRIG-B Modulated Output.
Deviation (1088A/B): ±5 volts analog, corresponding to 1-PPS deviation channel A or B
(see individual clock Operation Manual). The proportion is 1 V per
10-µs deviation (±50 µs full scale).
C.4.3 Digital Outputs
Output Type: High-Speed CMOS (74HC126), 0 to 5 volts, with 47 ohm
series resistance.
Available Output: Note: All outputs available on Model 1084A/B/C and other
clocks as noted.
IRIG-B: IRIG format B time code (unmodulated). Available on clock
Models 1088BP, 1084A/B/C and 1093A/B/C.
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